Toyo Ink Science Holdings Co.

Tokyo, Japan

Toyo Ink Science Holdings Co.

Tokyo, Japan

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Patent
Toyo Ink Science Holdings Co. and Toyocolor Co. | Date: 2017-04-26

The present invention is a laminate where a carbon nanotube-containing layer composed at least of carbon nanotube and resin is laminated above a substrate. The laminate is a laminate where a clear layer is further laminated above a laminated surface of the carbon nanotube-containing layer. The laminate has L* being equal to or less than 2.5, a* being in a range of -2 to 2, and b* being in a range of -2 to 0.3, each measured from the laminated surface. The carbon nanotube-containing layer above the substrate is formed by coating. The clear layer is transparent resin or glass. Note that L*, a* and b* indicate values in L*a*b* color system specified in JIS Z8729.


A thermosetting resin composition excellent in dimensional stability during curing and adhesiveness, heat resistance, moist heat resistance, electrical insulating properties, flexibility, low dielectric properties and low dissipation factor properties after curing is provided. A thermosetting resin composition according to the present invention is a thermosetting resin composition containing a polyamide (A) made by polymerization of a polybasic acid monomer and a polyamine monomer and having a phenolic hydroxyl group on a side chain, and a compound (B) with a functionality of three or more that can react with the phenolic hydroxyl group. Monomers that form the polyamide (A) include a monomer having a phenolic hydroxyl group and a monomer having a hydrocarbon group with a carbon number of 20 to 60 (excluding an aromatic ring to which the phenolic hydroxyl group bonds) and having a cyclic structure with a carbon number of 5 to 10.


Patent
TOYO INK Science HOLDINGS CO. and Toyo Ink Co. | Date: 2016-11-21

To provide an ink-jet white ink of active energy ray-curable type, wherein the white ink has high printing stability and good hiding property, and is particularly suitable for printing on the single-pass ink-jet printing system. An ink-jet white ink of active energy ray-curable type, comprising titanium oxide, a pigment dispersant, and a polymerizable compound, wherein the content of the titanium oxide is from 15 to 30% by weight with reference to the total weight of the ink, and wherein the weight average particle diameter of the titanium oxide is 180 to 250 nm. In an embodiment of the ink, the titanium oxide is titanium oxide that surface is treated with silica and the pigment dispersant comprises a basic dispersant.


Patent
Toyo Ink Science Holdings Co. and Toyocolor Co. | Date: 2017-05-31

Provided is a layered product with high jet-black. A layered product according to the present invention is a layered product (10) including at least a first layer (1) and a second layer (2) that are stacked. A value of L* in a L*a*b* color system defined by JIS Z8729 of the first layer (1) is ten or less. The second layer (2) is formed on the first layer (1) and 0.1 to 1 mass% of carbon nanotubes are contained in a material constituting the second layer (2). In the L*a*b* color system defined by JIS Z8729, when values are measured from a side of a plane of the second layer (2), a value of L* is 2.5 or less, a value of a* is -2.0 or greater and 2.0 or less, and a value of b* is -2.0 or greater and 0.5 or less.


Patent
The Film Co, Toyocolor Co. and Toyo Ink Science Holdings Co. | Date: 2016-02-03

A heat-ray-blocking fluororesin film comprising a heat-ray-blocking metal oxide and a hydrotalcite-type compound represented by general formula [chemical formula 1], wherein the content of the hydrotalcite-based compound is 0.03 to 1.0 wt%. Provided is a heat-ray-blocking fluororesin which can exhibit excellent heat-ray-blocking performance while keeping the properties inherent in fluororesin films, such as mechanical properties, transparency and long-term weatherability, and which is transparent and can be used out of doors for a long period of time.[Chemical formula 1]Mg^(2+)_(1-a)Al^(3+)_(a)(OH^(-))_(2)AN^(n-)_(a/n)cH_(2)O (Where 0.2 a 0.35 and 0 c 1; AN^(n-) indicates n-valent anion.)


Patent
Toyo Ink Science Holdings Co. and Toyo Ink Co. | Date: 2016-03-02

To provide an ink-jet white ink of active energy ray-curable type, wherein the white ink has high printing stability and good hiding property, and is particularly suitable for printing on the single-pass ink-jet printing system. An ink-jet white ink of active energy ray-curable type, comprising titanium oxide, a pigment dispersant, and a polymerizable compound, wherein the content of the titanium oxide is from 15 to 30% by weight with reference to the total weight of the ink, and wherein the weight average particle diameter of the titanium oxide is 180 to 250 nm. In an embodiment of the ink, the titanium oxide is titanium oxide that surface is treated with silica and the pigment dispersant comprises a basic dispersant.


Patent
Toyo Ink Science Holdings Co. and Toyo Ink Co. | Date: 2016-02-24

Provided is a non-aqueous maintenance liquid for an active energy ray-curable inkjet ink which can be used as a cleaning liquid for removing the inkjet ink and as a preserving liquid to fill the head when the printer is not in operation. The non-aqueous maintenance liquid for an active energy ray-curable inkjet ink of the present invention comprises a main liquid component, a pigment dispersant resin, and a surface control agent, wherein the main liquid component is an organic solvent and/or an active energy ray-curable compound, and the amount of the surface control agent is 0.01 to 10% by weight in 100% by weight of the maintenance liquid.


Patent
TOYO INK Science HOLDINGS CO. and Toyocolor Co. | Date: 2016-02-02

A binder composition for a non-aqueous secondary battery electrode may comprise functional group-containing crosslinked resin microparticles produced by polymerizing: (A) at least one monomer selected from the group consisting of (a) a monomer having one ethylenically unsaturated group per molecule and also having a monofunctional or polyfunctional epoxy group, (b) a monomer having one ethylenically unsaturated group per molecule and also having a monofunctional or polyfunctional amide group, and (c) a monomer having one ethylenically unsaturated group per molecule and also having a monofunctional or polyfunctional hydroxy group; (B) at least one monomer selected from the group consisting of (d) a monomer having one ethylenically unsaturated group per molecule and also having an alkoxysilyl group and (e) a monomer having at least two ethylenically unsaturated groups per molecule; and (C) (k) a monomer which has an ethylenically unsaturated group and is different from the monomers (a) to (e).


A method for producing a halogenated organic pigment comprising a halogenation step of halogenating an organic pigment with a halogenating agent, wherein the halogenating agent comprises one or more N-haloimide compounds selected from the group consisting of trichloroisocyanuric acid, a metal salt of dichloroisocyanuric acid, tribromoisocyanuric acid, and a metal salt of dibromoisocyanuric acid. According to the present invention, a method for producing a halogenated organic pigment which does not use high toxic raw materials, does not generate a large amount of unfavorable by-products such as hydrogen halide gas and succinimide, and is excellent in terms of safety and productivity can be provided.


The invention provides a pressure-sensitive adhesive composition, which is prepared by using an alcohol solvent to obtain a high-molecular weight acrylic polymer, and exhibits excellent levels of coating liquid storage stability, stability over time in the adhesiveness, aging suitability, adhesive strength, releasability and heat-resistant holding power, as well as providing a pressure-sensitive adhesive sheet. The pressure-sensitive adhesive composition comprises a specific crosslinking agent and an acrylic polymer with a glass transition temperature of -60 to 0C obtained by radical polymerization in an alcohol solvent of an ethylenic unsaturated bond-containing monomer comprising specific amounts of specific monomers, wherein the acrylic polymer contains a low-molecular weight component and a high-molecular weight component with an area ratio therebetween of 65/35 to 80/20, and the monomer has a carboxyl group.

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